Diabetes Doughnuts, Cake-type, Plain, Chocolate-coated Or Frosted The Skinny from CalorieLab . Nutritional summary of "Doughnuts, cake-type, plain, chocolate-coated or frosted": This food is low in cholesterol. On the other hand, it is very high in sugars, and is high in saturated fat. Nov 22, 2010. People with diabetes can eat sugar, desserts, and almost any food that contains. There are two